282 Mr. H. ^y. Bates cm the 
Lclis, subfam. Coptoderhia.'. The anterior tarsi of the $ 
have four very slightly dilated ovate joints ; and as far as 
I can observe, under the compound miscroscope, all four 
joints are furnished with membranous scales underneath. 
As, however, the closely allied genus Mizotreclnis offers 
only three dilated joints, with scaly palms, in the $ (more 
triangular than in Trechichiis), I am inclined to doubt the 
accuracy of the observation Avith regard to Trecliichus, 
the minute size and hairiness of the tarsi rendering it 
extremely difficult. 
With regard to its other characters, the lobes of the 
mentum arc prolonged at the apex into fine points ; the 
labrum is quadrate and entire at the apex ; the mandibles 
and maxilhc arc long and slender, the last joint of the jmlpi 
tapering to a point, as in Trechus. The affinities of the 
genus, together with Mizotrcclius, lean certainly towards 
Diploharjjus, a genus of Anchomenincc, but the adherent 
pararjlosscR remoA'C it from the Anchomeninoi ; and as the 
elytra are not truncated, but broadly rounded, it cannot be 
placed in the Coptoderincc subfamily of Truncatipennes, 
to which it is allied in many respects. Baron Chaudoir 
pointed out, long ago, the relationship between Dijilo- 
harpus and Stcnognathus. There remains no alternative, 
therefore, but to place the two genera in a separate sub- 
family, Avhich I think forms an additional link, to others 
already known, betAveen the Anclcomeninoi and the Trim- 
catipennes. 
The genus Trechichus is "wddely distributed. I have 
seen specimens from North America, the Cape Verde 
Islands, Peuang and Australia, besides Japan, belonging 
to very closely-allied species. 
Pentoplogeniua cxirjuus, MoraAvit}^, Beitr. p. 25, t. 1, f. 10. 
Hakodadi ; " one example, female." 
A curious little insect (3j millim.), resembling, accord- 
ing to INIoraAvitz, Trecliichus (Lee). The elytra are not 
truncated, but rounded ; therefore it cannot belong to the 
LehiiiKB, Avherc the author places it. The terminal joint 
of the palpi is conical, as in Trechichus ; but the bilobed 
labrum effectively distinguishes the genus. I have not 
seen an^^thing from Japan agreeing Avith this description, 
but have no doubt that it belongs to the subfam. Trc- 
chichintv. It may be remarked that a species of the allied 
genus Mizotreclius, viz., 31. Iccvir/atus, has the labrum 
somcAvhat deeply notched at its apex. 
